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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

By middle adulthood, most individuals and established and confident in their careers By middle adulthood, most individuals and established and confident in their careers
Kepler’s First and Second Laws Kepler’s First and Second Laws
Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp
Laws Governing Collection Laws Governing Collection
The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty
individuals with xeroderma pigmentosum individuals with xeroderma pigmentosum
Video: Mechanisms for chromosome movement Animation

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